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John Reguera
*nix forums beginner
Joined: 27 Apr 2005
Posts: 2
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 Posted: Tue Jun 27, 2006 12:49 pm Post subject:
Re: Analysing core files
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It appears that the thread caught a SIGILL.
Although (as you state in a later reply), it appears that the
SIGILL happened within a library, it is very possible (and probable)
that the fault happened long before the SIGILL occurred.
ex. a memory corruption occurs
at a later point in time, some varaible attempts to access this
corrupted memory and a fault occurs.
The problem manifests itself in the library, but the root cause
isn't associated with the library.
This appears to be a threaded application. I would be happy to assist with
debugging of the problem.
We should take this out of the newsgroup though.
Please reply to john.reguera@<nospam>hp.com
Thanks
John Reguera
POSIX Threads Engineering
Hewlett Packard Corp.
<mehaboob@gmail.com> wrote in message
news:1150895303.748330.288950@u72g2000cwu.googlegroups.com...
| Quote: | Hi,
I have a core file generated by an application on Tru64 machine.I have
some tool which generates the output as below.But from here am not sure
how to proceed further or what to look for....Any help would be deeply
appreciated.
And also am not sure what is meant by signal ILL?
############################################################
Thread 4 terminated at PC 0x3ffffe1c28c by signal ILL
show thread
Thread Name State Substate Policy
Pri
------ ------------------------- --------------- -----------
------------ ---
* 4 <anonymous> running V5 SCHED_OTHER
19
Stack trace for thread 4
0 0x3ffffe1c28c in apps/libtfc_fmk.so
#1 0x3ffbe3cf910 in DoReleaseAllLocks(...) in apps/libtfc_fmk.so
#2 0x3ffbe3cf66c in ReleaseAllLocks(...) in apps/libtfc_fmk.so
#3 0x3ffbe3d23a0 in Execute(...) in apps/libtfc_fmk.so
#4 0x3ffbda8d230 in Bootstrap(...) in apps/libtfc_wp.so
#5 0x300000d8900 in UnknownProcedure3FromFile127(...) in
apps/libmcc_exec.so
#6 0x3ff805cf538 in __thdBase(...) in apps/libpthread.so
############################################################
Regards,
Mehaboob
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Wim Cossement
*nix forums Guru Wannabe
Joined: 24 Feb 2005
Posts: 173
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| Posted: Thu Jun 22, 2006 8:33 am Post subject:
Re: Analysing core files
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mehaboob@gmail.com wrote:
| Quote: | Wim Cossement wrote:
mehaboob@gmail.com wrote:
Hi,
I have a core file generated by an application on Tru64 machine.I have
some tool which generates the output as below.But from here am not sure
how to proceed further or what to look for....Any help would be deeply
appreciated.
And also am not sure what is meant by signal ILL?
############################################################
Thread 4 terminated at PC 0x3ffffe1c28c by signal ILL
show thread
Thread Name State Substate Policy
Pri
------ ------------------------- --------------- -----------
------------ ---
* 4 <anonymous> running V5 SCHED_OTHER 19
Stack trace for thread 4
0 0x3ffffe1c28c in apps/libtfc_fmk.so
#1 0x3ffbe3cf910 in DoReleaseAllLocks(...) in apps/libtfc_fmk.so
#2 0x3ffbe3cf66c in ReleaseAllLocks(...) in apps/libtfc_fmk.so
#3 0x3ffbe3d23a0 in Execute(...) in apps/libtfc_fmk.so
#4 0x3ffbda8d230 in Bootstrap(...) in apps/libtfc_wp.so
#5 0x300000d8900 in UnknownProcedure3FromFile127(...) in
apps/libmcc_exec.so
#6 0x3ff805cf538 in __thdBase(...) in apps/libpthread.so
############################################################
Regards,
Mehaboob
ILL is for illegal signal (the one begin sent to the process) according
to this page: http://www.delorie.com/gnu/docs/textutils/coreutils_151.html
But I could be wrong ;-)
Anyway, happy debugging!
Wimmy
--
Being owned by someone used to be called slavery.
Now it's called commitment.
Hi,
Thanks for the reply.
I have deduced from stack traces that the crash is caused by SIGILL and
occurs in some library function.But am not sure as how to proceed
further.
Stack trace for thread 4
0 0x3ffffe1c28c in apps/libtfc_fmk.so
#1 0x3ffbe3cf910 in DoReleaseAllLocks(...) in apps/libtfc_fmk.so
#2 0x3ffbe3cf66c in ReleaseAllLocks(...) in apps/libtfc_fmk.so
I have not done any core file debugging so far.Any help would be
appreciated.
Mehaboob
|
I realy can't help you on this one and I also think most readers here
can't help you as well.
You might get more luck in a programming/debuggin language (C/C++??)
newsgroup since those people should have some more knowledge about
debugging.
Wimmy
--
Being owned by someone used to be called slavery.
Now it's called commitment. |
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mehaboob@gmail.com
*nix forums beginner
Joined: 02 May 2006
Posts: 39
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| Posted: Wed Jun 21, 2006 3:40 pm Post subject:
Re: Analysing core files
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Wim Cossement wrote:
| Quote: | mehaboob@gmail.com wrote:
Hi,
I have a core file generated by an application on Tru64 machine.I have
some tool which generates the output as below.But from here am not sure
how to proceed further or what to look for....Any help would be deeply
appreciated.
And also am not sure what is meant by signal ILL?
############################################################
Thread 4 terminated at PC 0x3ffffe1c28c by signal ILL
show thread
Thread Name State Substate Policy
Pri
------ ------------------------- --------------- -----------
------------ ---
* 4 <anonymous> running V5 SCHED_OTHER 19
Stack trace for thread 4
0 0x3ffffe1c28c in apps/libtfc_fmk.so
#1 0x3ffbe3cf910 in DoReleaseAllLocks(...) in apps/libtfc_fmk.so
#2 0x3ffbe3cf66c in ReleaseAllLocks(...) in apps/libtfc_fmk.so
#3 0x3ffbe3d23a0 in Execute(...) in apps/libtfc_fmk.so
#4 0x3ffbda8d230 in Bootstrap(...) in apps/libtfc_wp.so
#5 0x300000d8900 in UnknownProcedure3FromFile127(...) in
apps/libmcc_exec.so
#6 0x3ff805cf538 in __thdBase(...) in apps/libpthread.so
############################################################
Regards,
Mehaboob
ILL is for illegal signal (the one begin sent to the process) according
to this page: http://www.delorie.com/gnu/docs/textutils/coreutils_151.html
But I could be wrong ;-)
Anyway, happy debugging!
Wimmy
--
Being owned by someone used to be called slavery.
Now it's called commitment.
|
Hi,
Thanks for the reply.
I have deduced from stack traces that the crash is caused by SIGILL and
occurs in some library function.But am not sure as how to proceed
further.
| Quote: | Stack trace for thread 4
0 0x3ffffe1c28c in apps/libtfc_fmk.so
#1 0x3ffbe3cf910 in DoReleaseAllLocks(...) in apps/libtfc_fmk.so
#2 0x3ffbe3cf66c in ReleaseAllLocks(...) in apps/libtfc_fmk.so
|
I have not done any core file debugging so far.Any help would be
appreciated.
Mehaboob |
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| Back to top |
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Wim Cossement
*nix forums Guru Wannabe
Joined: 24 Feb 2005
Posts: 173
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| Posted: Wed Jun 21, 2006 2:33 pm Post subject:
Re: Analysing core files
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mehaboob@gmail.com wrote:
| Quote: | Hi,
I have a core file generated by an application on Tru64 machine.I have
some tool which generates the output as below.But from here am not sure
how to proceed further or what to look for....Any help would be deeply
appreciated.
And also am not sure what is meant by signal ILL?
############################################################
Thread 4 terminated at PC 0x3ffffe1c28c by signal ILL
show thread
Thread Name State Substate Policy
Pri
------ ------------------------- --------------- -----------
------------ ---
* 4 <anonymous> running V5 SCHED_OTHER 19
Stack trace for thread 4
0 0x3ffffe1c28c in apps/libtfc_fmk.so
#1 0x3ffbe3cf910 in DoReleaseAllLocks(...) in apps/libtfc_fmk.so
#2 0x3ffbe3cf66c in ReleaseAllLocks(...) in apps/libtfc_fmk.so
#3 0x3ffbe3d23a0 in Execute(...) in apps/libtfc_fmk.so
#4 0x3ffbda8d230 in Bootstrap(...) in apps/libtfc_wp.so
#5 0x300000d8900 in UnknownProcedure3FromFile127(...) in
apps/libmcc_exec.so
#6 0x3ff805cf538 in __thdBase(...) in apps/libpthread.so
############################################################
Regards,
Mehaboob
|
ILL is for illegal signal (the one begin sent to the process) according
to this page: http://www.delorie.com/gnu/docs/textutils/coreutils_151.html
But I could be wrong ;-)
Anyway, happy debugging!
Wimmy
--
Being owned by someone used to be called slavery.
Now it's called commitment. |
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mehaboob@gmail.com
*nix forums beginner
Joined: 02 May 2006
Posts: 39
|
| Posted: Wed Jun 21, 2006 1:08 pm Post subject:
Analysing core files
|
|
|
Hi,
I have a core file generated by an application on Tru64 machine.I have
some tool which generates the output as below.But from here am not sure
how to proceed further or what to look for....Any help would be deeply
appreciated.
And also am not sure what is meant by signal ILL?
############################################################
Thread 4 terminated at PC 0x3ffffe1c28c by signal ILL
show thread
Thread Name State Substate Policy
Pri
------ ------------------------- --------------- -----------
------------ ---
| Quote: | * 4 <anonymous> running V5 SCHED_OTHER 19
|
Stack trace for thread 4
| Quote: | 0 0x3ffffe1c28c in apps/libtfc_fmk.so
#1 0x3ffbe3cf910 in DoReleaseAllLocks(...) in apps/libtfc_fmk.so |
#2 0x3ffbe3cf66c in ReleaseAllLocks(...) in apps/libtfc_fmk.so
#3 0x3ffbe3d23a0 in Execute(...) in apps/libtfc_fmk.so
#4 0x3ffbda8d230 in Bootstrap(...) in apps/libtfc_wp.so
#5 0x300000d8900 in UnknownProcedure3FromFile127(...) in
apps/libmcc_exec.so
#6 0x3ff805cf538 in __thdBase(...) in apps/libpthread.so
############################################################
Regards,
Mehaboob |
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